staging:iio:ad5933: Drop "raw" from channel names

"raw" is the name of a channel property, but should not be part of the
channel name itself.
Signed-off-by: NLars-Peter Clausen <lars@metafoo.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

drivers/staging/iio/impedance-analyzer/ad5933.c

@@ -125,7 +125,7 @@ static const struct iio_chan_spec ad5933_channels[] = {
 		.type = IIO_VOLTAGE,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "real_raw",
+		.extend_name = "real",
 		.address = AD5933_REG_REAL_DATA,
 		.scan_index = 0,
 		.scan_type = {
@@ -137,7 +137,7 @@ static const struct iio_chan_spec ad5933_channels[] = {
 		.type = IIO_VOLTAGE,
 		.indexed = 1,
 		.channel = 0,
-		.extend_name = "imag_raw",
+		.extend_name = "imag",
 		.address = AD5933_REG_IMAG_DATA,
 		.scan_index = 1,
 		.scan_type = {